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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-02-04 22:33:22 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-02-04 22:33:37 +0100 |
| commit | a59e2ed64ba07d19657b25cbedd25586a912c8ed (patch) | |
| tree | 12dfdd920a54bbbd931d586c63cf82500ac9217b /vm | |
| parent | 88cbab7aaefdcd2b630d3f970a0c65a50ad419da (diff) | |
| download | gnumach-a59e2ed64ba07d19657b25cbedd25586a912c8ed.tar.gz gnumach-a59e2ed64ba07d19657b25cbedd25586a912c8ed.tar.bz2 gnumach-a59e2ed64ba07d19657b25cbedd25586a912c8ed.zip | |
vm_pages_phys: Avoid faults while we keep vm locks
In principle we are actually writing to the allocated area outside of
the vm lock, but better be safe in case somebody changes things.
Diffstat (limited to 'vm')
| -rw-r--r-- | vm/vm_user.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/vm/vm_user.c b/vm/vm_user.c index 1a0ec802..868230a3 100644 --- a/vm/vm_user.c +++ b/vm/vm_user.c @@ -728,8 +728,9 @@ kern_return_t vm_pages_phys( if (*countp < count) { vm_offset_t allocated; - kr = kmem_alloc_pageable(ipc_kernel_map, &allocated, - count * sizeof(pagesp[0])); + /* Avoid faults while we keep vm locks */ + kr = kmem_alloc(ipc_kernel_map, &allocated, + count * sizeof(pagesp[0])); if (kr != KERN_SUCCESS) return KERN_RESOURCE_SHORTAGE; pagesp = (rpc_phys_addr_array_t) allocated; |